A unique ID string for the layer. Persisted with the layer.
[Visual Basic .NET] Public ReadOnly Property UID As String
[C#] public string UID {get;}
[C++]
HRESULT get_UID(
BSTR* pUID
);
[C++]Parameters
pUID [out, retval] pUID is a parameter of type BSTR
Product Availability
Available with ArcGIS Engine and ArcGIS Desktop.